Transcriber's Note: The cover image was created by the transcriber and is placed in the public domain.


HARPER’S “TELL ME HOW” BOOKS

A New Series

HARPER’S GASOLINE ENGINE BOOK

HARPER’S AIRCRAFT BOOK

HARPER’S WIRELESS BOOK

HARPER’S BEGINNING ELECTRICITY

HARPER’S EVERY-DAY ELECTRICITY

Illustrated. Crown 8vo.